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/*
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Copyright (c) 2003, Dominik Reichl <dominik.reichl@t-online.de>
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All rights reserved.
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LICENSE TERMS
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ReichlSoft nor the names of its contributors may be used
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to endorse or promote products derived from this software without specific
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prior written permission.
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DISCLAIMER
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "crc16.h"
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// CRC-16 lookup table
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static const UWORD16 g_pCRC16Tab[] = {
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0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
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0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
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0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
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0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
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0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
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0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
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0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
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0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
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0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
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0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
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0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
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0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
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0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
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0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
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0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
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0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
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0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
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0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
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0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
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0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
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0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
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0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
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0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
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0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
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0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
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0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
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0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
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0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
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0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
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0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
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0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
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0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
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};
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CCRC16Hash::CCRC16Hash()
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{
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}
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CCRC16Hash::~CCRC16Hash()
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{
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}
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void CCRC16Hash::Init(RH_DATA_INFO *pInfo)
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{
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m_crc16 = 0x0000;
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}
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void CCRC16Hash::Update(const UWORD8 *pBuf, UINTPREF uLen)
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{
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UWORD32 i;
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for(i = 0; i < uLen; i++)
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m_crc16 = (m_crc16 >> 8) ^ g_pCRC16Tab[*pBuf++ ^ (m_crc16 & 0xFF)];
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}
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void CCRC16Hash::Final()
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{
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}
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//////////////////////////////////////////////////////////////////////////////
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static const UWORD16 g_pCRC16CcittTable[256] =
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{
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0x0000U, 0x1021U, 0x2042U, 0x3063U, 0x4084U, 0x50a5U, 0x60c6U, 0x70e7U,
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0x8108U, 0x9129U, 0xa14aU, 0xb16bU, 0xc18cU, 0xd1adU, 0xe1ceU, 0xf1efU,
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0x1231U, 0x0210U, 0x3273U, 0x2252U, 0x52b5U, 0x4294U, 0x72f7U, 0x62d6U,
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0x9339U, 0x8318U, 0xb37bU, 0xa35aU, 0xd3bdU, 0xc39cU, 0xf3ffU, 0xe3deU,
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0x2462U, 0x3443U, 0x0420U, 0x1401U, 0x64e6U, 0x74c7U, 0x44a4U, 0x5485U,
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0xa56aU, 0xb54bU, 0x8528U, 0x9509U, 0xe5eeU, 0xf5cfU, 0xc5acU, 0xd58dU,
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0x3653U, 0x2672U, 0x1611U, 0x0630U, 0x76d7U, 0x66f6U, 0x5695U, 0x46b4U,
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0xb75bU, 0xa77aU, 0x9719U, 0x8738U, 0xf7dfU, 0xe7feU, 0xd79dU, 0xc7bcU,
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0x48c4U, 0x58e5U, 0x6886U, 0x78a7U, 0x0840U, 0x1861U, 0x2802U, 0x3823U,
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0xc9ccU, 0xd9edU, 0xe98eU, 0xf9afU, 0x8948U, 0x9969U, 0xa90aU, 0xb92bU,
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0x5af5U, 0x4ad4U, 0x7ab7U, 0x6a96U, 0x1a71U, 0x0a50U, 0x3a33U, 0x2a12U,
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0xdbfdU, 0xcbdcU, 0xfbbfU, 0xeb9eU, 0x9b79U, 0x8b58U, 0xbb3bU, 0xab1aU,
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0x6ca6U, 0x7c87U, 0x4ce4U, 0x5cc5U, 0x2c22U, 0x3c03U, 0x0c60U, 0x1c41U,
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0xedaeU, 0xfd8fU, 0xcdecU, 0xddcdU, 0xad2aU, 0xbd0bU, 0x8d68U, 0x9d49U,
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0x7e97U, 0x6eb6U, 0x5ed5U, 0x4ef4U, 0x3e13U, 0x2e32U, 0x1e51U, 0x0e70U,
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0xff9fU, 0xefbeU, 0xdfddU, 0xcffcU, 0xbf1bU, 0xaf3aU, 0x9f59U, 0x8f78U,
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0x9188U, 0x81a9U, 0xb1caU, 0xa1ebU, 0xd10cU, 0xc12dU, 0xf14eU, 0xe16fU,
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0x1080U, 0x00a1U, 0x30c2U, 0x20e3U, 0x5004U, 0x4025U, 0x7046U, 0x6067U,
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0x83b9U, 0x9398U, 0xa3fbU, 0xb3daU, 0xc33dU, 0xd31cU, 0xe37fU, 0xf35eU,
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0x02b1U, 0x1290U, 0x22f3U, 0x32d2U, 0x4235U, 0x5214U, 0x6277U, 0x7256U,
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0xb5eaU, 0xa5cbU, 0x95a8U, 0x8589U, 0xf56eU, 0xe54fU, 0xd52cU, 0xc50dU,
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0x34e2U, 0x24c3U, 0x14a0U, 0x0481U, 0x7466U, 0x6447U, 0x5424U, 0x4405U,
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0xa7dbU, 0xb7faU, 0x8799U, 0x97b8U, 0xe75fU, 0xf77eU, 0xc71dU, 0xd73cU,
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0x26d3U, 0x36f2U, 0x0691U, 0x16b0U, 0x6657U, 0x7676U, 0x4615U, 0x5634U,
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0xd94cU, 0xc96dU, 0xf90eU, 0xe92fU, 0x99c8U, 0x89e9U, 0xb98aU, 0xa9abU,
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0x5844U, 0x4865U, 0x7806U, 0x6827U, 0x18c0U, 0x08e1U, 0x3882U, 0x28a3U,
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0xcb7dU, 0xdb5cU, 0xeb3fU, 0xfb1eU, 0x8bf9U, 0x9bd8U, 0xabbbU, 0xbb9aU,
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0x4a75U, 0x5a54U, 0x6a37U, 0x7a16U, 0x0af1U, 0x1ad0U, 0x2ab3U, 0x3a92U,
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0xfd2eU, 0xed0fU, 0xdd6cU, 0xcd4dU, 0xbdaaU, 0xad8bU, 0x9de8U, 0x8dc9U,
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0x7c26U, 0x6c07U, 0x5c64U, 0x4c45U, 0x3ca2U, 0x2c83U, 0x1ce0U, 0x0cc1U,
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0xef1fU, 0xff3eU, 0xcf5dU, 0xdf7cU, 0xaf9bU, 0xbfbaU, 0x8fd9U, 0x9ff8U,
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0x6e17U, 0x7e36U, 0x4e55U, 0x5e74U, 0x2e93U, 0x3eb2U, 0x0ed1U, 0x1ef0U
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};
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CCRC16CcittHash::CCRC16CcittHash()
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{
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}
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CCRC16CcittHash::~CCRC16CcittHash()
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{
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}
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void CCRC16CcittHash::Init(RH_DATA_INFO *pInfo)
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{
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m_crc16 = 0xFFFF;
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}
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void CCRC16CcittHash::Update(const UWORD8 *pBuf, UINTPREF uLen)
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{
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UWORD32 i;
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for(i = 0; i < uLen; i++)
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m_crc16 = g_pCRC16CcittTable[(UWORD8)(m_crc16 >> 8) ^ *pBuf++] ^ (m_crc16 << 8);
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}
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void CCRC16CcittHash::Final()
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{
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}
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//////////////////////////////////////////////////////////////////////////////
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static const UWORD16 g_pCRC16XModemTable[256] =
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{
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0x0000U, 0x17ceU, 0x0fdfU, 0x1811U, 0x1fbeU, 0x0870U, 0x1061U, 0x07afU,
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0x1f3fU, 0x08f1U, 0x10e0U, 0x072eU, 0x0081U, 0x174fU, 0x0f5eU, 0x1890U,
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0x1e3dU, 0x09f3U, 0x11e2U, 0x062cU, 0x0183U, 0x164dU, 0x0e5cU, 0x1992U,
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0x0102U, 0x16ccU, 0x0eddU, 0x1913U, 0x1ebcU, 0x0972U, 0x1163U, 0x06adU,
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0x1c39U, 0x0bf7U, 0x13e6U, 0x0428U, 0x0387U, 0x1449U, 0x0c58U, 0x1b96U,
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0x0306U, 0x14c8U, 0x0cd9U, 0x1b17U, 0x1cb8U, 0x0b76U, 0x1367U, 0x04a9U,
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0x0204U, 0x15caU, 0x0ddbU, 0x1a15U, 0x1dbaU, 0x0a74U, 0x1265U, 0x05abU,
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0x1d3bU, 0x0af5U, 0x12e4U, 0x052aU, 0x0285U, 0x154bU, 0x0d5aU, 0x1a94U,
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0x1831U, 0x0fffU, 0x17eeU, 0x0020U, 0x078fU, 0x1041U, 0x0850U, 0x1f9eU,
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0x070eU, 0x10c0U, 0x08d1U, 0x1f1fU, 0x18b0U, 0x0f7eU, 0x176fU, 0x00a1U,
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0x060cU, 0x11c2U, 0x09d3U, 0x1e1dU, 0x19b2U, 0x0e7cU, 0x166dU, 0x01a3U,
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0x1933U, 0x0efdU, 0x16ecU, 0x0122U, 0x068dU, 0x1143U, 0x0952U, 0x1e9cU,
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0x0408U, 0x13c6U, 0x0bd7U, 0x1c19U, 0x1bb6U, 0x0c78U, 0x1469U, 0x03a7U,
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0x1b37U, 0x0cf9U, 0x14e8U, 0x0326U, 0x0489U, 0x1347U, 0x0b56U, 0x1c98U,
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0x1a35U, 0x0dfbU, 0x15eaU, 0x0224U, 0x058bU, 0x1245U, 0x0a54U, 0x1d9aU,
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0x050aU, 0x12c4U, 0x0ad5U, 0x1d1bU, 0x1ab4U, 0x0d7aU, 0x156bU, 0x02a5U,
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0x1021U, 0x07efU, 0x1ffeU, 0x0830U, 0x0f9fU, 0x1851U, 0x0040U, 0x178eU,
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0x0f1eU, 0x18d0U, 0x00c1U, 0x170fU, 0x10a0U, 0x076eU, 0x1f7fU, 0x08b1U,
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0x0e1cU, 0x19d2U, 0x01c3U, 0x160dU, 0x11a2U, 0x066cU, 0x1e7dU, 0x09b3U,
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0x1123U, 0x06edU, 0x1efcU, 0x0932U, 0x0e9dU, 0x1953U, 0x0142U, 0x168cU,
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0x0c18U, 0x1bd6U, 0x03c7U, 0x1409U, 0x13a6U, 0x0468U, 0x1c79U, 0x0bb7U,
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0x1327U, 0x04e9U, 0x1cf8U, 0x0b36U, 0x0c99U, 0x1b57U, 0x0346U, 0x1488U,
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0x1225U, 0x05ebU, 0x1dfaU, 0x0a34U, 0x0d9bU, 0x1a55U, 0x0244U, 0x158aU,
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0x0d1aU, 0x1ad4U, 0x02c5U, 0x150bU, 0x12a4U, 0x056aU, 0x1d7bU, 0x0ab5U,
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0x0810U, 0x1fdeU, 0x07cfU, 0x1001U, 0x17aeU, 0x0060U, 0x1871U, 0x0fbfU,
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0x172fU, 0x00e1U, 0x18f0U, 0x0f3eU, 0x0891U, 0x1f5fU, 0x074eU, 0x1080U,
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0x162dU, 0x01e3U, 0x19f2U, 0x0e3cU, 0x0993U, 0x1e5dU, 0x064cU, 0x1182U,
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0x0912U, 0x1edcU, 0x06cdU, 0x1103U, 0x16acU, 0x0162U, 0x1973U, 0x0ebdU,
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0x1429U, 0x03e7U, 0x1bf6U, 0x0c38U, 0x0b97U, 0x1c59U, 0x0448U, 0x1386U,
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0x0b16U, 0x1cd8U, 0x04c9U, 0x1307U, 0x14a8U, 0x0366U, 0x1b77U, 0x0cb9U,
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0x0a14U, 0x1ddaU, 0x05cbU, 0x1205U, 0x15aaU, 0x0264U, 0x1a75U, 0x0dbbU,
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0x152bU, 0x02e5U, 0x1af4U, 0x0d3aU, 0x0a95U, 0x1d5bU, 0x054aU, 0x1284U
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};
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CCRC16XModemHash::CCRC16XModemHash()
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{
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}
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CCRC16XModemHash::~CCRC16XModemHash()
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{
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}
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void CCRC16XModemHash::Init(RH_DATA_INFO *pInfo)
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{
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m_crc16 = 0x0000;
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}
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void CCRC16XModemHash::Update(const UWORD8 *pBuf, UINTPREF uLen)
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{
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UWORD32 i;
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for(i = 0; i < uLen; i++)
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m_crc16 = g_pCRC16XModemTable[(m_crc16 ^ *pBuf++) & 0xFF] ^ (m_crc16 >> 8);
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}
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void CCRC16XModemHash::Final()
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{
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}
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